1.high speed led dental handpiece with generator\n2.single water spray\n3.kavo compatible\n4.self-sufficient power system instead of external light source. self-illuminated, natural light\n\nits e-generator led dental handpiece has an internal power motor with air-driven which supplies led light to the tip of the handpiece. it is very convenient for users to do operation without outside light. \nyou can find more details below:\n